diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c index bf5c1a6b9ca4..189103d1bd18 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c @@ -520,10 +520,21 @@ static const struct qmp_phy_init_tbl sm8350_ufsphy_pcs_tbl[] = { QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_MULTI_LANE_CTRL1, 0x02), }; +struct qmp_ufs_offsets { + u16 serdes; + u16 pcs; + u16 tx; + u16 rx; + u16 tx2; + u16 rx2; +}; + /* struct qmp_phy_cfg - per-PHY initialization config */ struct qmp_phy_cfg { int lanes; + const struct qmp_ufs_offsets *offsets; + /* Init sequence for PHY blocks - serdes, tx, rx, pcs */ const struct qmp_phy_init_tbl *serdes_tbl; int serdes_tbl_num; @@ -611,6 +622,15 @@ static const char * const qmp_phy_vreg_l[] = { "vdda-phy", "vdda-pll", }; +static const struct qmp_ufs_offsets qmp_ufs_offsets_v5 = { + .serdes = 0, + .pcs = 0xc00, + .tx = 0x400, + .rx = 0x600, + .tx2 = 0x800, + .rx2 = 0xa00, +}; + static const struct qmp_phy_cfg msm8996_ufs_cfg = { .lanes = 1, @@ -632,6 +652,26 @@ static const struct qmp_phy_cfg msm8996_ufs_cfg = { .no_pcs_sw_reset = true, }; +static const struct qmp_phy_cfg sc8280xp_ufsphy_cfg = { + .lanes = 2, + + .offsets = &qmp_ufs_offsets_v5, + + .serdes_tbl = sm8350_ufsphy_serdes_tbl, + .serdes_tbl_num = ARRAY_SIZE(sm8350_ufsphy_serdes_tbl), + .tx_tbl = sm8350_ufsphy_tx_tbl, + .tx_tbl_num = ARRAY_SIZE(sm8350_ufsphy_tx_tbl), + .rx_tbl = sm8350_ufsphy_rx_tbl, + .rx_tbl_num = ARRAY_SIZE(sm8350_ufsphy_rx_tbl), + .pcs_tbl = sm8350_ufsphy_pcs_tbl, + .pcs_tbl_num = ARRAY_SIZE(sm8350_ufsphy_pcs_tbl), + .clk_list = sdm845_ufs_phy_clk_l, + .num_clks = ARRAY_SIZE(sdm845_ufs_phy_clk_l), + .vreg_list = qmp_phy_vreg_l, + .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l), + .regs = sm8150_ufsphy_regs_layout, +}; + static const struct qmp_phy_cfg sdm845_ufsphy_cfg = { .lanes = 2, @@ -1031,11 +1071,38 @@ static int qmp_ufs_parse_dt_legacy(struct qmp_ufs *qmp, struct device_node *np) return 0; } +static int qmp_ufs_parse_dt(struct qmp_ufs *qmp) +{ + struct platform_device *pdev = to_platform_device(qmp->dev); + const struct qmp_phy_cfg *cfg = qmp->cfg; + const struct qmp_ufs_offsets *offs = cfg->offsets; + void __iomem *base; + + if (!offs) + return -EINVAL; + + base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) + return PTR_ERR(base); + + qmp->serdes = base + offs->serdes; + qmp->pcs = base + offs->pcs; + qmp->tx = base + offs->tx; + qmp->rx = base + offs->rx; + + if (cfg->lanes >= 2) { + qmp->tx2 = base + offs->tx2; + qmp->rx2 = base + offs->rx2; + } + + return 0; +} + static int qmp_ufs_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct device_node *child; struct phy_provider *phy_provider; + struct device_node *np; struct qmp_ufs *qmp; int ret; @@ -1057,15 +1124,18 @@ static int qmp_ufs_probe(struct platform_device *pdev) if (ret) return ret; - child = of_get_next_available_child(dev->of_node, NULL); - if (!child) - return -EINVAL; - - ret = qmp_ufs_parse_dt_legacy(qmp, child); + /* Check for legacy binding with child node. */ + np = of_get_next_available_child(dev->of_node, NULL); + if (np) { + ret = qmp_ufs_parse_dt_legacy(qmp, np); + } else { + np = of_node_get(dev->of_node); + ret = qmp_ufs_parse_dt(qmp); + } if (ret) goto err_node_put; - qmp->phy = devm_phy_create(dev, child, &qcom_qmp_ufs_phy_ops); + qmp->phy = devm_phy_create(dev, np, &qcom_qmp_ufs_phy_ops); if (IS_ERR(qmp->phy)) { ret = PTR_ERR(qmp->phy); dev_err(dev, "failed to create PHY: %d\n", ret); @@ -1074,14 +1144,14 @@ static int qmp_ufs_probe(struct platform_device *pdev) phy_set_drvdata(qmp->phy, qmp); - of_node_put(child); + of_node_put(np); phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); return PTR_ERR_OR_ZERO(phy_provider); err_node_put: - of_node_put(child); + of_node_put(np); return ret; } @@ -1097,7 +1167,7 @@ static const struct of_device_id qmp_ufs_of_match_table[] = { .data = &sm8150_ufsphy_cfg, }, { .compatible = "qcom,sc8280xp-qmp-ufs-phy", - .data = &sm8350_ufsphy_cfg, + .data = &sc8280xp_ufsphy_cfg, }, { .compatible = "qcom,sdm845-qmp-ufs-phy", .data = &sdm845_ufsphy_cfg,